US8837730B2 - Apparatus and method for reducing channel reproduction delay in mobile terminal - Google Patents
Apparatus and method for reducing channel reproduction delay in mobile terminal Download PDFInfo
- Publication number
- US8837730B2 US8837730B2 US12/924,116 US92411610A US8837730B2 US 8837730 B2 US8837730 B2 US 8837730B2 US 92411610 A US92411610 A US 92411610A US 8837730 B2 US8837730 B2 US 8837730B2
- Authority
- US
- United States
- Prior art keywords
- traffic key
- encrypted
- channel
- encrypted channel
- mobile terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related, expires
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/02—Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
- H04N21/41265—The peripheral being portable, e.g. PDAs or mobile phones having a remote control device for bidirectional communication between the remote control device and client device
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
- H04L65/611—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for multicast or broadcast
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4331—Caching operations, e.g. of an advertisement for later insertion during playback
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video stream decryption
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
- H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/03—Protecting confidentiality, e.g. by encryption
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/04—Key management, e.g. using generic bootstrapping architecture [GBA]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/60—Digital content management, e.g. content distribution
- H04L2209/601—Broadcast encryption
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Mobile Radio Communication Systems (AREA)
- Circuits Of Receivers In General (AREA)
Abstract
Description
Claims (17)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2009-0088934 | 2009-09-21 | ||
KR1020090088934A KR101603133B1 (en) | 2009-09-21 | 2009-09-21 | Apparatus and method for reducing the channel play time in portable terminal |
Publications (2)
Publication Number | Publication Date |
---|---|
US20110069838A1 US20110069838A1 (en) | 2011-03-24 |
US8837730B2 true US8837730B2 (en) | 2014-09-16 |
Family
ID=43756637
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/924,116 Expired - Fee Related US8837730B2 (en) | 2009-09-21 | 2010-09-21 | Apparatus and method for reducing channel reproduction delay in mobile terminal |
Country Status (2)
Country | Link |
---|---|
US (1) | US8837730B2 (en) |
KR (1) | KR101603133B1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9942213B2 (en) * | 2013-03-15 | 2018-04-10 | Comcast Cable Communications, Llc | Systems and methods for providing secure services |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020104001A1 (en) * | 2001-01-26 | 2002-08-01 | International Business Machines Corporation | Method for ensuring content protection and subscription compliance |
US6510515B1 (en) * | 1998-06-15 | 2003-01-21 | Telefonaktlebolaget Lm Ericsson | Broadcast service access control |
US20030078061A1 (en) * | 2001-10-23 | 2003-04-24 | Samsung Electronics Co., Ltd. | Method and apparatus for providing commercial broadcasting service in cellular mobile communication network |
US20060212399A1 (en) * | 2000-06-30 | 2006-09-21 | Koichiro Akiyama | Broadcast receiving method and apparatus and information distributing method and apparatus |
US7779154B2 (en) * | 2001-11-20 | 2010-08-17 | Nokia Corporation | Mobile telecommunication networks and digital broadcasting services |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001268535A (en) * | 2000-03-15 | 2001-09-28 | Nec Corp | Internet broadcast charging system |
KR101315799B1 (en) * | 2007-03-13 | 2013-10-08 | 삼성전자주식회사 | Security system based on conditional access system and method for controlling conditional access service |
-
2009
- 2009-09-21 KR KR1020090088934A patent/KR101603133B1/en active IP Right Grant
-
2010
- 2010-09-21 US US12/924,116 patent/US8837730B2/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6510515B1 (en) * | 1998-06-15 | 2003-01-21 | Telefonaktlebolaget Lm Ericsson | Broadcast service access control |
US20060212399A1 (en) * | 2000-06-30 | 2006-09-21 | Koichiro Akiyama | Broadcast receiving method and apparatus and information distributing method and apparatus |
US20020104001A1 (en) * | 2001-01-26 | 2002-08-01 | International Business Machines Corporation | Method for ensuring content protection and subscription compliance |
US20030078061A1 (en) * | 2001-10-23 | 2003-04-24 | Samsung Electronics Co., Ltd. | Method and apparatus for providing commercial broadcasting service in cellular mobile communication network |
US7779154B2 (en) * | 2001-11-20 | 2010-08-17 | Nokia Corporation | Mobile telecommunication networks and digital broadcasting services |
Also Published As
Publication number | Publication date |
---|---|
US20110069838A1 (en) | 2011-03-24 |
KR20110031606A (en) | 2011-03-29 |
KR101603133B1 (en) | 2016-03-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: SAMSUNG ELECTRONICS CO., LTD., KOREA, REPUBLIC OF Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:JUNG, JI-WUCK;KIM, YOUNG-JIP;PARK, JOON-HO;AND OTHERS;REEL/FRAME:025058/0850 Effective date: 20100917 |
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Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
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STCF | Information on status: patent grant |
Free format text: PATENTED CASE |
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MAFP | Maintenance fee payment |
Free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551) Year of fee payment: 4 |
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FEPP | Fee payment procedure |
Free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
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LAPS | Lapse for failure to pay maintenance fees |
Free format text: PATENT EXPIRED FOR FAILURE TO PAY MAINTENANCE FEES (ORIGINAL EVENT CODE: EXP.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
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STCH | Information on status: patent discontinuation |
Free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
|
FP | Lapsed due to failure to pay maintenance fee |
Effective date: 20220916 |